what the wake-up call was for airport screeners. the big concern is from al qaeda in yemen. this group has had isis when it comes to the sophisticated devices. there is an expert bombmaker experimenting with shoe bombs and underwear bombs and surgi l surgically implanting bombs on humans. he has been sharing that intelligence. al qaeda in syria in 2014, were planning a similar laptop bomb. that group in yemen is richer now. better than 2009 and 2010 when it put together the printer bomb plot and underwear bomb throplo.